rectrix Hear it!

rectrix definition

rec·trix (rek′triks)

noun pl. rectrices rec′·tri·ces′ (rek′trə sēz′, rek trī′sēz)

Zool. any of the large tail feathers of a bird, that are important for controlling the direction of flight

Etymology: ModL < L, fem. of rector, director: see rector

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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